<!-- ORTHORHOMBIC C SPACE GROUPS -->
<input type="checkbox" name="spacegroups[]" id="sg_C222" value="C222"> C222<br/>
<input type="checkbox" name="spacegroups[]" id="sg_C2221" value="C2221"> C2221<br/>
<!-- 
"A" variant space groups hae been disabled for the meantime as not supported by Phaser
<input type="checkbox" name="spacegroups[]" id="sg_C222A" value="C222A"> C222A<br/>
<input type="checkbox" name="spacegroups[]" id="sg_C2221A" value="C2221A"> C2221A<br/>
-->
